There is a head with two bandages placed over their mouth diagonally going opposite directions. Their eyes are wide open, we can't see above their forehead or below their neck.
This is the Silence icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.